Percorrer por autor "Santos, Carolina Ascenso"
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- An Arthrospira maxima based biorefineryPublication . Santos, Carolina Ascenso; Karmakar, Rachan; Caetano, Nídia[Abstract] With growing global concern over resource depletion, climate change, and waste management, the development of sustainable biorefineries has become crucial. Arthrospira maxima, a cyanobacterium commonly denominated Spirulina and known for its high nutritional content and rapid growth, presents a promising bioresource for such systems. This study explores a biorefinery model for Spirulina that maximizes resource utilization through innovative extractions and waste valorization approaches. By cultivating Spirulina using industrial waste media and recirculating growth resources, the model demonstrates significant reductions in water and nutrient use, aligning with circular economy principles. High-value compounds like phycocyanin and lipids were extracted using green methodologies, which reduce environmental impact compared to conventional methods. Additionally, residual extracted microalgal biomass was redirected to applications such as bioenergy and soil amendment, creating a zero-waste approach. The proposed model supports a transition towards sustainable bioeconomy practices, addressing both environmental and economic challenges. Future research may focus on genetic engineering and technological advancements to further enhance Spirulina’s biorefinery potential.
- Beyond compost: Using urban biowaste derived compost to produce new fertilizing productsPublication . Machado, Telmo; Santos, Carolina Ascenso; Raimundo, Délio; Chaves, BeneditaThe agro-food sector is a contributor to CO2 emissions and polluter due to its difficulty to deal with waste generation. Using the farm to fork concept we can observe that waste is produced in every link of the food value chain. Nevertheless, efforts are being made worldwide to reduce its environmental impact - from producing food with precision agriculture to sustainable food packaging systems – hoping to influence the way each country manages its biowaste. In this work we present the first results of an experiment, conducted under the project “BIOMA – Bioeconomy integrated solutions for the mobilization of the Agro-food market”, to produce a Urban waste compost based plant biostimulant.